Correlates of self-reported sleep duration in middle-aged and elderly Koreans: from the Health Examinees Study

Though various factors related to fluctuations in sleep duration have been identified, information remains limited regarding the correlates of short and long sleep duration among the Korean population. Thus, we investigated characteristics that could be associated with short and/or long sleep durati...

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Bibliographic Details
Published in:PloS one 2015-05, Vol.10 (5), p.e0123510-e0123510
Main Authors: Yoon, Hyung-Suk, Yang, Jae Jeong, Song, Minkyo, Lee, Hwi-Won, Han, Sohee, Lee, Sang-Ah, Choi, Ji-Yeob, Lee, Jong-koo, Kang, Daehee
Format: Article
Language:English
Subjects:
Aged
Anthropometry
Asian Continental Ancestry Group
Body measurements
Confidence intervals
Diabetes mellitus
Employment
Female
Geriatrics
Health
Humans
Male
Meals
Medical research
Mental depression
Middle Aged
Odds Ratio
Older people
Prevalence
Preventive medicine
Regression analysis
Regression models
Republic of Korea
Self Report
Sleep
Sleep - physiology
Sleep deprivation
Smoking
Social interactions
Statistical analysis
Studies
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Summary:Though various factors related to fluctuations in sleep duration have been identified, information remains limited regarding the correlates of short and long sleep duration among the Korean population. Thus, we investigated characteristics that could be associated with short and/or long sleep duration among middle-aged and elderly Koreans. A total of 84,094 subjects (27,717 men and 56,377 women) who participated in the Health Examinees Study were analyzed by using multinomial logistic regression models. To evaluate whether sociodemographic factors, lifestyle factors, psychological conditions, anthropometry results, and health conditions were associated with short and/or long sleep duration, odds ratios (ORs) and 95% confidence intervals (CIs) were estimated with sleep duration of 6-7 hours as the reference group, accounting for putative covariates. Regardless of sexual differences, we found that adverse behaviors and lifestyle factors including low educational attainment, unemployment, being unmarried, current smoking status, lack of exercise, having irregular meals, poor psychosocial well-being, frequent stress events, and poor self-rated health were significantly associated with abnormal sleep duration. Similarly, diabetes mellitus and depression showed positive associations with abnormal sleep duration in both men and women. Our findings suggest that low sociodemographic characteristics, adverse lifestyle factors, poor psychological conditions, and certain disease morbidities could be associated with abnormal sleep duration in middle-aged and elderly Koreans.
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0123510